A. disconformity. I hope i helped you.
Answer:
This is so simple. Read your lesson. If you cheat like this you'll never get through the rest of the course.
Explanation:
Answer:
Argon
Explanation:
The element that has a complete valence electron shell is argon (Ar) since it is a noble gas in the last group on the periodic table. destinymitchell966
A and D are almost entirely solid solid
